| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.66 | 2.79 | -0.13 |
| Feb | 2.23 | 2.36 | -0.13 |
| Mar | 2.67 | 3.02 | -0.35 |
| Apr | 3.20 | 3.28 | -0.08 |
| May | 3.58 | 3.68 | -0.10 |
| Jun | 4.32 | 4.57 | -0.25 |
| Jul | 4.34 | 4.66 | -0.32 |
| Aug | 4.22 | 4.34 | -0.12 |
| Sep | 4.05 | 3.88 | 0.17 |
| Oct | 4.06 | 4.16 | -0.10 |
| Nov | 2.97 | 3.11 | -0.14 |
| Dec | 3.21 | 3.53 | -0.32 |
41.51 | 43.38 | -1.87 |